HARGER's GBIT14424M4/0-15 is a 1/4 in x 4 in x 24 in ground busbar with a 15 ft 4/0-19 bare copper stranded wire tail. The bar has fifty-six (56) 0.437 x 0.687 slots and fifty-eight (58) 0.437 holes. A wall 2000 V rating R4150A4 insulator is connected to the bar and stainless steel bracket. 3/8 in stainless steel button heads are included for assembly.